I Slice, P Slice, B Slice
weighted_pred_flag=0,1
MBAFF and PAFF
Custom Quantization Matrix
CAVLC and CABAC
Deblocking Filter
Multi-reference frames
Direct_8x8_inference_flag = 1 or 0
IPCM
Constrained_intra_pred_flag = 1 or 0
transform 8x8 and 4x4
weighted_bipred_idc = 0,1,2
Multi-Core supporting

20110531
Add the support for dynamic format change.